Dyscalculia is a learning disability, which is sometimes called number blindness, and similar to dyslexia, but for numbers. Researchers estimate that as much as 7% of the population has dyscalculia, which can be marked by severe difficulties in dealing with numbers despite otherwise normal intelligence.

Genetic diversity and long periods of time are things that are crucial for evolutionary adaptation. This made scientists wonder why invasive species, lacking genetic diversity, succeed quickly. And some ecologists are beginning to think that epigenetic factors might be modifying genes while leaving the genome intact.

Newborn babies only a few hours old are able to differentiate between sounds from their native language and a foreign one. A new study indicates that babies begin absorbing language while still in the womb, earlier than previously thought.